556738379 has 2 divisors, whose sum is σ = 556738380. Its totient is φ = 556738378.

The previous prime is 556738349. The next prime is 556738439. The reversal of 556738379 is 973837655.

556738379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556738379 - 2⁸ = 556738123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556738379.

It is not a weakly prime, because it can be changed into another prime (556738349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278369189 + 278369190.

It is an arithmetic number, because the mean of its divisors is an integer number (278369190).

Almost surely, 2^556738379 is an apocalyptic number.

556738379 is a deficient number, since it is larger than the sum of its proper divisors (1).

556738379 is an equidigital number, since it uses as much as digits as its factorization.

556738379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 53.

The square root of 556738379 is about 23595.3041726527. The cubic root of 556738379 is about 822.6536965759.

The spelling of 556738379 in words is "five hundred fifty-six million, seven hundred thirty-eight thousand, three hundred seventy-nine".